TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-1) C++ Programming

TRB - MASTER-COMPUTER (QUIZ-3) C++ Programming

Quiz

 

1. When an object-oriented program detects an error within a function, the function _________
   1.   throws an exception
   2.   throws a fit
   3.   catches a message
   4.   catches an exception
2. Using a statement at the wrong time or with an inappropriate object creates a
   1.   logical error
   2.   syntax error
   3.   compiler error
   4.   language error
3. The Internet service that provides a multimedia interface to available resources is called
   1.   World Wide Web
   2.   File Transfer Protocol
   3.   Gopher
   4.   Telnet
4. When you create a derived class and instantiate an object _____
   1.   the parent class object must be constructed first
   2.   the child class object must be constructed first
   3.   the parent class object must not be constructed
   4.   the child class object must not be constructed
5. A constructor always has
   1.   communicational cohesion
   2.   temporal cohesion
   3.   logical cohesion
   4.   no cohesion
6. A normal C++ operator that acts in special ways on newly defined data types is said to be
   1.   glorified
   2.   encapsulated
   3.   classified
   4.   overloaded
7. A function in a derived class that has the same name as a function in the parent class
   1.   will override the base class function
   2.   will cause an error message to display
   3.   will be overridden by the base class function
   4.   will execute immediately often the base class function executes
8. In which statements, does a 'continue' statements cause the control to go directly to the test condition and then continue the looping process?
   
   1.   'for' and 'while'
   2.   'while' and 'if-else'
   3.   'do-while' and 'if-else'
   4.   'while' and 'do-while'
9. Which of the following statements is false?
   1.   You typically use a public member function to change the value in a private data member
   2.   Because the constructor function does not return a value, you place the keyword void before the constructor's name
   3.   The public member functions in a class can be accessed by any program that uses an object created from that class
   4.   An instance of a class is considered an object
10. In a class specifier, data or functions designated private are accessible
    1.   to any function in the program
    2.   only if you know the password
    3.   to member functions of that class
    4.   only to public members of the clas
11. When a function includes a throw statement for errors, the call to the potentially offending function should be placed within a _____ block
    
    1.   throw
    2.   try
    3.   catch
    4.   scope
12. The scope resolution operator is
    1.   a comma
    2.   a semicolon
    3.   a colon
    4.   two colons
13. "C++" is a _____ constant
    1.   character literal
    2.   named literal
    3.   numeric literal
    4.   string literal
14. In a C++ program, which of the following can be thrown?
    1.   scalar variables
    2.   programmer-defined objects
    3.   both (a) and (b)
    4.   neither (a) nor (b)
15. The items listed in the function header are called _____
    1.   actual arguments
    2.   formal parameters
    3.   passed parameters
    4.   sent arguments
16. 
    66 . A translator that notes whether you have used a language correctly may be called a _____
    1.   theasurus
    2.   compiler
    3.   coder
    4.   decoder
17. The feature in object-oriented programming that allows the same operation to be carried out differently, depending on the object, is_____
    1.   inheritance
    2.   polymorphism
    3.   overfunctioning
    4.   overriding
18. When an argument is passed by reference,
    1.   a variable is created in the function to hold the argument's value
    2.   the function cannot access the argument's value
    3.   a temporary variable is created in the calling program to hold the argument's value
    4.   the function accesses the argument's original value in the calling program
19. The process of extracting the relevant attributes of an object is known as
    1.   polymorphism
    2.   inheritance
    3.   abstraction
    4.   data hiding
20. Which of the following statements uses the computer's clock to initialize the random number generator?
    1.   srand(time);
    2.   srand(time(NULL));
    3.   time(srand);
    4.   time(srand(NULL));
21. A static data member is given a value
    
    1.   within the class definition
    2.   outside the class definition
    3.   when the program is executed
    4.   never
22. You must provide a constructor for a derived class
    1.   always
    2.   if the base class constructor required arguments
    3.   if the base class constructor does not required arguments
    4.   never
23. If you want to override constructor default values for an object you are instantiating, you must also override
    
    1.   all other parameters to that constructor
    2.   all parameters to the left of that value
    3.   all parameters to the right of that value
    4.   no other parameters to that constructor
24. 74 . To use one of the C++ built-in mathematical functions, you must include the _____ header file in your program
    
    1.   calculation.h
    2.   compute.h
    3.   expression.h
    4.   math.h
25. Errors in a program are called
    
    1.   accidents
    2.   annoyances
    3.   bugs
    4.   mistakes
26. If you declare two objects as Customer firstCust, secondCust; which of the following must be true?
    1.   Each object's nonstatic data members will be stored in the same memory location
    2.   Each object will be stored in the same memory location
    3.   Each object will have a unique memory address
    4.   You cannot declare two objects of the same class
27. Which of the following is the inequality operator?
    1.   !=
    2.   =
    3.   ==
    4.   -->
28. If a derived class uses the public access specifier, then _____
    1.   public base class members remain public in the derived class
    2.   protected base class members become public in the derived class
    3.   both (a) and (b)
    4.   neither (a) nor (b)
29. 79 . The operator that releases previously allocated memory is _____
    
    1.   release
    2.   return
    3.   delete
    4.   destroy
30. 80 . When a language has the capability to produce new data types, it is said to be
    
    1.   reprehensible
    2.   encapsulated
    3.   overloaded
    4.   extensible
31. 81 . A compound statement does not consist of
    
    1.   a single statement
    2.   other compound statements
    3.   expression statements
    4.   control statements
32. 82 . Which of the following statements will display the word "Hello" on the computer screen?
    
    1.   cin << "Hello";
    2.   cin >> "Hello";
    3.   cout << "Hello";
    4.   cout >> "Hello";
33. 83 . The preprocessor directive always starts with the symbol
    
    1.   %
    2.   &
    3.   #
    4.   ""
34. 84 . Which of the following statements is true?
    
    1.   Data coupling is tighter than pathological coupling
    2.   Common coupling is looser than data coupling
    3.   Data-structured coupling is looser than control coupling
    4.   Control coupling is looser than data coupling
35. 85 . The base class for most stream classes is the _____ class
    
    1.   ios
    2.   out
    3.   in
    4.   app
36. 86 . Which of the following while clause will stop the loop when the value in the age variable is less than the number 0?
    
    1.   while age < 0
    2.   while (age < 0)
    3.   while age >= 0;
    4.   while (age >= 0)
37. 87 . The most efficient data type for a variable that stores the number 4.6e20 is the _____ data type
    
    1.   Character
    2.   Double
    3.   Float
    4.   Long Integer
38. 88 . Which of the following is a C++ object?
    
    1.   cin
    2.   >>
    3.   iostream
    4.   read()
39. 89 . Which of the following can be used to declare the main function?
    
    1.   void main
    2.   void Main()
    3.   void main()
    4.   main
40. 90 . You _____ write your own container classes
    
    1.   must
    2.   may
    3.   should not
    4.   must not
41. 91 . If an integer object is thrown with a throw statement, then a subsequent catch block has a usable match if the type of the catch argument is
    
    1.   int
    2.   double
    3.   either (a) or (b)
    4.   neither (a) nor (b)
42. 92 . The highest level of cohesion is
    
    1.   functional cohesion
    2.   temporal cohesion
    3.   logical cohesion
    4.   sequential cohesion
43. 93 . You separate a derived class name from its access specifier with
    
    1.   a colon
    2.   two colons
    3.   at least one space
    4.   a semicolon
44. 94 . The last statement in a function is often a(n) _____
    
    1.   return
    2.   goodbye
    3.   finish
    4.   endfunction
45. 95 . When the function int someFunction(char c) throw( ) is executed, _____
    
    1.   it can throw anything
    2.   it may throw an integer
    3.   it may throw a character
    4.   it may not throw anything
46. 96 . The two statements that can be used to change the flow of control are
    
    1.   if and switch
    2.   if and while
    3.   switch and do-while
    4.   break and continue
47. 97 . If p and q are assigned the values 2 and 3 respectively then the statement p = q++
    
    1.   gives an error message
    2.   assigns a value 4 to p
    3.   assigns a value 3 to p
    4.   assigns a value 5 to p
48. 98 . Which of the following is the insertion operator?
    
    1.   >>
    2.   <<
    3.   //
    4.   /*
49. 99 . If you want only one memory location to be reserved for a class variable, no matter how many objects are instantiated, you should declare the variable as
    
    1.   static
    2.   unary
    3.   dynamic
    4.   volatile
50. 100 . To use a template class member function, use the ________ with the instantiation
    
    1.   scope resolution operator
    2.   dot operator
    3.   class definition
    4.   keword template